Home / 18,307.28-25,264-9,923.80

Finding the Fourth Proportional to 18,307.28, 25,264 and 9,923.80

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Solution

The fourth proportional to 18,307.28, 25,264 and 9,923.80 is: 13,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.28 : 25,264 = 9,923.80 : x
  2. Step 2: Convert to fraction form
    18,307.28/25,264 = 9,923.80/x
  3. Step 3: Cross multiply
    18,307.28x = 25,264 × 9,923.80
  4. Step 4: Simplify right side
    18,307.28x = 250,714,883.20
  5. Step 5: Solve for x
    x = 250,714,883.20/18,307.28
  6. Step 6: Final answer
    x = 13,694.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.